package com.cjjd.c.utils;

import android.graphics.Color;
import android.os.CountDownTimer;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.style.ForegroundColorSpan;
import android.widget.TextView;


/**
 * ----------------------------------
 * Created by xyd on 2016/7/15.
 * <p/>
 * 描  述： 用来显示 获取验证码的倒计时
 * <p/>
 * 修订历史:
 * ----------------------------------
 */
public class CountDownTimerUtils extends CountDownTimer {
    private TextView mTextView;
    private String startStr = " s";
    private String endStr = "重新获取";

    private int origin_color;
    private int unit_color = Color.RED;

    /**
     * @param textView          The TextView
     * @param millisInFuture    The number of millis in the future from the call
     *                          to {@link #start()} until the countdown is done and {@link #onFinish()}
     *                          is called.
     * @param countDownInterval The interval along the way to receiver
     *                          {@link #onTick(long)} callbacks.
     */
    public CountDownTimerUtils(TextView textView, long millisInFuture, long countDownInterval) {
        super(millisInFuture, countDownInterval);
        this.mTextView = textView;
        this.origin_color = textView.getCurrentTextColor();
    }

    public CountDownTimerUtils(TextView textView, long millisInFuture, long countDownInterval,
                               String startStr, String endStr) {
        super(millisInFuture, countDownInterval);
        this.mTextView = textView;
        this.startStr = startStr;
        this.endStr = endStr;
        this.origin_color = textView.getCurrentTextColor();
    }

    public void setMillisColor(int color){
        unit_color = color;
    }

    @Override
    public void onTick(long millisUntilFinished) {
        mTextView.setClickable(false); //设置不可点击
        mTextView.setText(millisUntilFinished / 1000 + startStr);  //设置倒计时时间
        // TODO: 2017/7/30  这里需要重新设置按钮颜色 
        //mTextView.setBackgroundResource(R.drawable.bg_identify_code_press); //设置按钮为灰色，这时是不能点击的
        

        /**
         * 超链接 URLSpan
         * 文字背景颜色 BackgroundColorSpan
         * 文字颜色 ForegroundColorSpan
         * 字体大小 AbsoluteSizeSpan
         * 粗体、斜体 StyleSpan
         * 删除线 StrikethroughSpan
         * 下划线 UnderlineSpan
         * 图片 ImageSpan
         * http://blog.csdn.net/ah200614435/article/details/7914459
         */
        SpannableString spannableString = new SpannableString(mTextView.getText().toString());  //获取按钮上的文字
        ForegroundColorSpan span = new ForegroundColorSpan(unit_color);
        /**
         * public void setSpan(Object what, int start, int end, int flags) {
         * 主要是start跟end，start是起始位置,无论中英文，都算一个。
         * 从0开始计算起。end是结束位置，所以处理的文字，包含开始位置，但不包含结束位置。
         */
        spannableString.setSpan(span, 0, 2, Spannable.SPAN_INCLUSIVE_EXCLUSIVE);//将倒计时的时间设置为红色
        mTextView.setText(spannableString);
    }

    @Override
    public void onFinish() {
        mTextView.setText(endStr);
        mTextView.setClickable(true);
        mTextView.setTextColor(origin_color);
        // // TODO: 2017/7/30 需要回复按钮颜色
        //mTextView.setBackgroundResource(R.drawable.btn_get_captcha_bg_seletor);
    }


}
